






from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_tf_available, is_torch_available


a_		:    int   							=     {
    'configuration_rag': ['RagConfig'],
    'retrieval_rag': ['RagRetriever'],
    'tokenization_rag': ['RagTokenizer'],
}

try:
				if not is_torch_available():
								raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
				pass
else:
				a_		:    List[Any]   							=     [
				    'RagModel',
				    'RagPreTrainedModel',
				    'RagSequenceForGeneration',
				    'RagTokenForGeneration',
				]

try:
				if not is_tf_available():
								raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
				pass
else:
				a_		:    Tuple   							=     [
				    'TFRagModel',
				    'TFRagPreTrainedModel',
				    'TFRagSequenceForGeneration',
				    'TFRagTokenForGeneration',
				]


if TYPE_CHECKING:
				from .configuration_rag import RagConfig
				from .retrieval_rag import RagRetriever
				from .tokenization_rag import RagTokenizer

				try:
								if not is_torch_available():
												raise OptionalDependencyNotAvailable()
				except OptionalDependencyNotAvailable:
								pass
				else:
								from .modeling_rag import RagModel, RagPreTrainedModel, RagSequenceForGeneration, RagTokenForGeneration

				try:
								if not is_tf_available():
												raise OptionalDependencyNotAvailable()
				except OptionalDependencyNotAvailable:
								pass
				else:
								from .modeling_tf_rag import (
								    TFRagModel,
								    TFRagPreTrainedModel,
								    TFRagSequenceForGeneration,
								    TFRagTokenForGeneration,
								)

else:
				import sys

				a_		:    Union[str, Any]   							=     _LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)








"""simple docstring"""



def      UpperCAmelCase     (       _lowercase :   Optional[Any]	)						-> Tuple:


	"""simple docstring"""




	lowerCAmelCase_      							=			len(_lowercase	)
	lowerCAmelCase_      							=			sum(_lowercase	)

	lowerCAmelCase_      							=			[[False for x in range(s + 1	)] for y in range(n + 1	)]

	for i in range(1			,   n + 1	):
		lowerCAmelCase_      							=			True

	for i in range(1			,   s + 1	):
		lowerCAmelCase_      							=			False

	for i in range(1			,   n + 1	):
		for j in range(1			,   s + 1	):
			lowerCAmelCase_      							=			dp[i][j - 1]

			if arr[i - 1] <= j:
				lowerCAmelCase_      							=			dp[i][j] or dp[i - 1][j - arr[i - 1]]

	for j in range(int(s / 2	)			,   -1			,   -1	):
		if dp[n][j] is True:
			lowerCAmelCase_      							=			s - 2 * j
			break

	return diff